<template>
    <div>
        <el-tree 
        :data="LeftMenu" 
        :props="defaultProps"
        :highlight-current="true" 
        @node-click="handleNodeClick">
        </el-tree>
    </div>
</template>

<script>
  export default {
    name:'LeftSingleTree',
    props:{
      LeftMenu:{
      type:Array,
      required: true
      }
    },
    data() {
      return {
        data: [{
          label: '一级 1',
          children: [{
            label: '二级 1-1',
            children: [{
              label: '三级 1-1-1'
            }]
          }]
        }, {
          label: '一级 2',
          children: [{
            label: '二级 2-1',
            children: [{
              label: '三级 2-1-1'
            }]
          }, {
            label: '二级 2-2',
            children: [{
              label: '三级 2-2-1'
            }]
          }]
        }, {
          label: '一级 3',
          children: [{
            label: '二级 3-1',
            children: [{
              label: '三级 3-1-1'
            }]
          }, {
            label: '二级 3-2',
            children: [{
              label: '三级 3-2-1'
            }]
          }]
        }],
        defaultProps: {
          children: 'children',
          label: 'label'
        }
      };
    },
    methods: {
      handleNodeClick(data) {
        this.$emit('getLeftSingle',data)
      }
    }
  };
</script>


<style>

</style>
